There are 40 students in a class. There are 4 more boys than girls. How many girls are in the class

Question

there are 40 students in a class there are 4 more boys than girls how many girls are in the class

Answer 1

number of boys = x + 4

number of girls = x

 

We set up the equation

 

x + x + 4 = 40

2x + 4 = 40

2x = 36

  x = 18

 

There are 18 girls in the class.